Difference between revisions of "Gallbladder"

Gallbladder (view source)

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→‎Gallbladder adenoma: split out

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 ==Gallbladder adenoma==
-:''Gallbladder dysplasia'' redirects here.
+{{Main|Gallbladder adenoma}}
-===General===
-*Premalignant lesion.
-*May be associated with [[familial adenomatous polyposis]] or [[Peutz-Jeghers syndrome]].<ref name=pmid11896229>{{Cite journal  | last1 = Levy | first1 = AD. | last2 = Murakata | first2 = LA. | last3 = Abbott | first3 = RM. | last4 = Rohrmann | first4 = CA. | title = From the archives of the AFIP. Benign tumors and tumorlike lesions of the gallbladder and extrahepatic bile ducts: radiologic-pathologic correlation. Armed Forces Institute of Pathology. | journal = Radiographics | volume = 22 | issue = 2 | pages = 387-413 | month =  | year =  | doi =  | PMID = 11896229 | url = http://radiographics.rsna.org/content/22/2/387.full }}</ref>
-===Microscopic===
-Features:
-*Gallbladder epithelium with:
-**Nuclear atypia - '''key feature'''.
-***Nuclear hyperchromasia.
-***Nuclear crowding (pseudostratification) ''or'' round enlarged nuclei.
-**+/-Goblet cells.
-Architectural subclassification:<ref name=pmid22895264>{{Cite journal  | last1 = Adsay | first1 = V. | last2 = Jang | first2 = KT. | last3 = Roa | first3 = JC. | last4 = Dursun | first4 = N. | last5 = Ohike | first5 = N. | last6 = Bagci | first6 = P. | last7 = Basturk | first7 = O. | last8 = Bandyopadhyay | first8 = S. | last9 = Cheng | first9 = JD. | title = Intracholecystic papillary-tubular neoplasms (ICPN) of the gallbladder (neoplastic polyps, adenomas, and papillary neoplasms that are ≥1.0 cm): clinicopathologic and immunohistochemical analysis of 123 cases. | journal = Am J Surg Pathol | volume = 36 | issue = 9 | pages = 1279-301 | month = Sep | year = 2012 | doi = 10.1097/PAS.0b013e318262787c | PMID = 22895264 }}</ref>
-*Papillary ~ 45%.
-*Tubulopapillary ~ 30%.
-*Tubular ~ 25%.
-Notes:
-*Low grade dysplasia should prompt targeted sampling and review.<ref name=uscap2017_akki/>
-*Gallbladders with high grade dysplasia should be [[submitted in total]] to exclude [[gallbladder adenocarcinoma]].<ref name=uscap2017_akki>Akki ''et al.'' (2017) "Detecting Incidental Gallbladder Adenocarcinoma: When to Submit the Entire Gallbladder".  Available at: [http://www.abstracts2view.com/uscap17/view.php?nu=USCAP17L_2016 http://www.abstracts2view.com/uscap17/view.php?nu=USCAP17L_2016]. United States and Canadian Academy of Pathology Annual Meeting. Accessed on: April 9, 2017.</ref>
-DDx:
-*[[Gallbladder adenocarcinoma]].
-*Reactive changes.
-====Images====
-*[http://radiographics.rsna.org/content/22/2/387/F4.expansion.html Tubular adenoma, biliary type (rsna.org)].<ref name=pmid11896229/>
-*[http://www.flickr.com/photos/lunarcaustic/4986649333/ Gallbladder with high-grade dysplasia (flickr.com/lunar caustic)].
-===Sign out===
-<pre>
-GALLBLADDER, CHOLECYSTECTOMY:
-- BILIARY TYPE TUBULAR ADENOMA WITH HIGH GRADE DYSPLASIA.
-- MARGINS CLEAR OF ADENOMA (NEAREST MARGIN 1.0 CM).
-</pre>
 ==Intracholecystic Papillary Neoplasm<ref>{{Cite journal  | last1 = Adsay | first1 = V. | last2 = Jang | first2 = KT. | last3 = Roa | first3 = JC. | last4 = Dursun | first4 = N. | last5 = Ohike | first5 = N. | last6 = Bagci | first6 = P. | last7 = Basturk | first7 = O. | last8 = Bandyopadhyay | first8 = S. | last9 = Cheng | first9 = JD. | title = Intracholecystic papillary-tubular neoplasms (ICPN) of the gallbladder (neoplastic polyps, adenomas, and papillary neoplasms that are ≥1.0 cm): clinicopathologic and immunohistochemical analysis of 123 cases. | journal = Am J Surg Pathol | volume = 36 | issue = 9 | pages = 1279-301 | month = Sep | year = 2012 | doi = 10.1097/PAS.0b013e318262787c | PMID = 22895264 }}

Difference between revisions of "Gallbladder"

Gallbladder (view source)

Revision as of 14:06, 30 October 2017

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